/*- * Copyright (c) 1990, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * Margo Seltzer. * * %sccs.include.redist.c% */ #if defined(LIBC_SCCS) && !defined(lint) static char sccsid[] = "@(#)hash_log2.c 8.1 (Berkeley) 06/04/93"; #endif /* LIBC_SCCS and not lint */ #include u_int __log2(num) u_int num; { register u_int i, limit; limit = 1; for (i = 0; limit < num; limit = limit << 1, i++); return (i); }